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Thread: 223 mix-master AK rebuilt

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    3/6 Infantry mtdew's Avatar
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    Default 223 mix-master AK rebuilt

    I put this together on the cheap years ago. Worked great but was butt ugly. Bulgarian bbl, bolt, Romy parts kit. I just added refinished Bulgy 74 wood, Childers Polish receiver blank. Sandblasted everything, parked and painted with Baking laquer. I like it alot better now. This is the one I rebuilt using the virgin trunny. I will shoot the crap out of it and report on how the trunny holds up.
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    "NA BEAN DON CHAT GUN LAMHAINN"
    Clan MacPherson
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    Gunco Member straightsilver3's Avatar
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    Was your barrel from K var with 23mm dia. ? If using the Romy trunnion 23mm? I ask because I want to build one and from other forums they mention the gas port on the barrel doesn't line up with the gas block. I may just use the barrel from AK builder but would like to know how you did yours Looks Great.

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    GuncoHolic Sprat's Avatar
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    looks Mt dew

    did you open the muzzle brake at all to accommodate the difference from 221 to 222
    Sprat and sprat1 are one and the same.

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    3/6 Infantry mtdew's Avatar
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    Quote Originally Posted by straightsilver3 View Post
    Was your barrel from K var with 23mm dia. ? If using the Romy trunnion 23mm? I ask because I want to build one and from other forums they mention the gas port on the barrel doesn't line up with the gas block. I may just use the barrel from AK builder but would like to know how you did yours Looks Great.
    Yes, its the k-var bbl and bolt. What I did to make the gas port line up with the 47 gas block was to figure out where the hole in the GB needed to be then drilled a hole from underneath like a 74 trunnion is drilled. I just had to make sure that the hole I drilled intersected the gas passage in the 47 GB. This puts the hole directly thru the rear pin hole, but I was still able to pin it. Top: 47 GB, Bottom: 74 GB
    Now the easiest way would have been to get a 74 GB and be done with it, but when I built this thing I was very poor!
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    Last edited by mtdew; 11-24-2014 at 09:22 AM.
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    "NA BEAN DON CHAT GUN LAMHAINN"
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    3/6 Infantry mtdew's Avatar
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    Quote Originally Posted by Sprat View Post
    looks Mt dew

    did you open the muzzle brake at all to accommodate the difference from 221 to 222
    Yes, LOL! I laugh because it used to reside on a 7.62x39 and was drilled to accomadate the 30 cal rnd.
    "NA BEAN DON CHAT GUN LAMHAINN"
    Clan MacPherson
    "CREAG DHUBH"!

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    GuncoHolic Sprat's Avatar
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    Quote Originally Posted by mtdew View Post
    Yes, LOL! I laugh because it used to reside on a 7.62x39 and was drilled to accomadate the 30 cal rnd.
    that's why I asked the question when I saw the thread adapter on the brake it reminded me of some thing I did with a spare 74 brake but I had to drill out the end
    Sprat and sprat1 are one and the same.

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    Gunco Good ole boy twa2471's Avatar
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    That's something I'd wondered, what would be ,,or is there a "standard amount" of gap to open up a comp/flash hider to, compared to the bullet dia,,any specific measurement/spec for best performance ? Or just enough so it don't jangle through.

    Damn now I've built and AK platform,,it opens up all kinds of other questions I'd never really though much about ,, just doing mostly 99% bolt guns before.

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    GuncoHolic Sprat's Avatar
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    I don't kno w about standard amount of gap all I know that when I put my 74 muzzlebrake on my 47 It was going be a tough squeeze to get a 7.62 projectile through a 5.45mm hole so I opened mine up. I put it in a vice and drilled the opening up to well beyond 7.62mm, eventually I went back to the slant ( tapco) brake
    Sprat and sprat1 are one and the same.

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    3/6 Infantry mtdew's Avatar
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    I used to know that answer. Old brain at work. Hang on a minute...
    "NA BEAN DON CHAT GUN LAMHAINN"
    Clan MacPherson
    "CREAG DHUBH"!

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    3/6 Infantry mtdew's Avatar
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    .020 over seems to be the general rule, and thats about what mine is on the 30 cal brake/comp.
    "NA BEAN DON CHAT GUN LAMHAINN"
    Clan MacPherson
    "CREAG DHUBH"!

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